Motor and Social Development

Developed by the NCHS, this scale for children under age 4, measures developmental milestones in motor skills, cognition, communication, and social development. Part of the Mother Supplement.

Table 3.1. Motor & Social Development: Percentile Scores by Child Age and Race/Ethnicity (2008 Sample Cases)
Table 3.2. Motor & Social Development: Percentile Scores by Child Age and Race/Ethnicity (2008 Weighted Distribution)
Table 3.3. Motor & Social Development: Standard Scores by Child Age and Race/Ethnicity (2008 Weighted Distribution)
Table 3.4. Motor & Social Development: Percentile Scores for Female Children by Child Age and Race/Ethnicity (2008 Weighted Distribution)
Table 3.5. Motor & Social Development: Percentile Scores for Male Children by Child Age and Race/Ethnicity (2008 Weighted Distribution)
Table 3.6. Motor & Social Development: "All" Percentile Scores for Female Children by Child Age and Race/Ethnicity (2008 Weighted Distribution)
Table 3.7. Motor & Social Development: "All" Percentile Scores for Male Children by Child Age and Race/Ethnicity (2008 Weighted Distribution)

Table 3.1 Motor And Social Development: Percentile Scores By Child Age And Race/Ethnicity (2008 Sample Cases)

  0-19 20-39 40-59 60-79 80-89 90-99 Invalid Valid Total % Valid
AGE OF CHILD 2 1       1 1 4 5 80.0
Under 1 Year
1 Year 5 3 2         10 10 100.0
2 Years 5 2 3       2 10 12 83.3
3 Years 4 3 4 3 3 1 3 18 21 85.7
Total 16 9 9 3 3 2 6 42 48 87.5
RACE OF CHILD AGE OF CHILD 1             1 1 100.0
Hispanic 1 Year
2 Years 2   1         3 3 100.0
3 Years 3 1 1 2     1 7 8 87.5
Total 6 1 2 2     1 11 12 91.7
Black AGE OF CHILD           1 1 1 2 50.0
Under 1 Year
1 Year 2             2 2 100.0
2 Years 1   2       1 3 4 75.0
3 Years 1 1 1   1   1 4 5 80.0
Total 4 1 3   1 1 3 10 13 76.9
White AGE OF CHILD 2 1           3 3 100.0
Under 1 Year
1 Year 2 3 2         7 7 100.0
2 Years 2 2         1 4 5 80.0
3 Years   1 2 1 2 1 1 7 8 87.5
Total 6 7 4 1 2 1 2 21 23 91.3


Table 3.2 Motor And Social Development: Percentile Scores By Child Age And Race/Ethnicity (2008 Weighted Distribution)

  0-19 20-39 40-59 60-79 80-89 90-99 Total Mean Std Dev
AGE OF CHILD 58.7 33.1       8.2 100.0 19.7 25.3
Under 1 Year
1 Year 31.1 45.3 23.6       100.0 26.0 15.0
2 Years 53.6 33.7 12.7       100.0 20.8 16.8
3 Years 11.8 18.0 25.3 13.1 20.6 11.1 100.0 56.1 29.2
Total 32.4 31.1 18.9 4.8 7.6 5.1 100.0 35.2 27.9
RACE OF CHILD AGE OF CHILD 100.0           100.0 17.4 0.0
Hispanic 1 Year
2 Years 61.9   38.1       100.0 19.3 20.5
3 Years 52.6 18.0 10.7 18.7     100.0 27.2 25.1
Total 57.3 12.2 17.7 12.7     100.0 24.6 23.6
Black AGE OF CHILD           100.0 100.0 98.0 0.0
Under 1 Year
1 Year 100.0           100.0 14.5 0.0
2 Years 35.5   64.5       100.0 36.2 21.8
3 Years 17.1 25.1 40.8   17.0   100.0 41.3 22.4
Total 36.2 10.4 35.9   7.1 10.5 100.0 40.7 28.7
White AGE OF CHILD 63.9 36.1         100.0 12.7 10.0
Under 1 Year
1 Year 25.2 49.2 25.6       100.0 26.9 15.3
2 Years 55.2 44.8         100.0 18.5 13.5
3 Years   17.0 26.9 13.6 26.8 15.8 100.0 66.2 24.5
Total 28.7 36.0 17.0 4.4 8.7 5.1 100.0 35.9 28.0


Table 3.3 Motor And Social Development: Standard Scores By Child Age And Race/Ethnicity (2008 Weighted Distribution)

  0-84 85-99 100-114 115+ Total Mean Std Dev
AGE OF CHILD 58.7 33.1   8.2 100.0 83.1 17.8
Under 1 Year
1 Year 29.4 70.6     100.0 87.5 11.6
2 Years 53.6 42.3 4.1   100.0 84.8 10.3
3 Years 10.0 34.6 23.7 31.8 100.0 103.2 13.8
Total 31.3 46.3 9.7 12.7 100.0 92.1 15.6
RACE OF CHILD AGE OF CHILD   100.0     100.0 86.0 0.0
Hispanic 1 Year
2 Years 61.9 38.1     100.0 81.9 12.6
3 Years 52.6 28.7 18.7   100.0 88.6 12.2
Total 52.8 34.5 12.7   100.0 86.6 12.4
Black AGE OF CHILD       100.0 100.0 131.0 0.0
Under 1 Year
1 Year 100.0       100.0 84.0 0.0
2 Years 35.5 31.0 33.5   100.0 92.9 10.5
3 Years   83.0   17.0 100.0 96.7 9.6
Total 29.1 43.5 9.9 17.5 100.0 96.8 15.1
White AGE OF CHILD 63.9 36.1     100.0 78.8 11.0
Under 1 Year
1 Year 25.2 74.8     100.0 87.8 12.1
2 Years 55.2 44.8     100.0 83.9 9.2
3 Years   28.8 28.6 42.6 100.0 108.1 11.3
Total 28.7 48.2 9.3 13.8 100.0 92.3 15.9


Table 3.4 Motor And Social Development: Percentile Scores For Female Children
By Child Age And Race/Ethnicity (2008 Weighted Distribution)

  0-19 20-39 40-59 60-79 80-89 Total Mean Std Dev
AGE OF CHILD   100.0       100.0 26.7 0.0
Under 1 Year
1 Year 24.6 57.3 18.1     100.0 23.9 13.0
2 Years 12.8 69.0 18.2     100.0 26.0 11.2
3 Years 6.4 22.6   4.1 66.8 100.0 68.8 23.9
Total 14.4 55.8 11.8 1.1 16.9 100.0 36.1 24.6
RACE OF CHILD AGE OF CHILD 100.0         100.0 12.0 0.0
Hispanic 1 Year
2 Years 28.2   71.8     100.0 29.6 17.8
3 Years   63.5   36.5   100.0 48.5 11.7
Total 28.2 23.9 34.1 13.7   100.0 34.1 19.0
Black AGE OF CHILD 51.4   48.6     100.0 25.6 20.3
2 Years
3 Years 29.5 70.5       100.0 31.6 12.3
Total 39.6 38.1 22.3     100.0 28.9 16.7
White AGE OF CHILD   100.0       100.0 26.7 0.0
Under 1 Year
1 Year 22.3 59.0 18.7     100.0 24.3 13.1
2 Years   100.0       100.0 25.4 3.4
3 Years         100.0 100.0 84.5 4.2
Total 10.0 61.0 8.4   20.6 100.0 37.2 25.8


Table 3.5 Motor And Social Development: Percentile Scores For Male Children
By Child Age And Race/Ethnicity (2008 Weighted Distribution)

  0-19 20-39 40-59 80-89 90-99 Total Mean Std Dev
AGE OF CHILD 87.7       12.3 100.0 17.8 30.4
Under 1 Year
1 Year 25.0 44.6 30.3     100.0 30.0 20.2
2 Years 92.5   7.5     100.0 11.6 11.7
3 Years 13.9 25.1 26.3 19.1 15.5 100.0 54.8 29.7
Total 41.9 20.9 19.9 8.6 8.7 100.0 35.9 31.1
RACE OF CHILD AGE OF CHILD 100.0         100.0 4.4 0.0
Hispanic 2 Years
3 Years 63.3 21.6   15.1   100.0 25.3 26.2
Total 70.1 17.6   12.3   100.0 21.5 25.0
Black AGE OF CHILD         100.0 100.0 97.5 0.0
Under 1 Year
1 Year   100.0       100.0 20.1 0.0
2 Years     100.0     100.0 50.4 0.0
3 Years   59.5   40.5   100.0 54.0 29.4
Total   52.1 16.4 12.7 18.8 100.0 50.2 31.6
White AGE OF CHILD 100.0         100.0 6.7 6.3
Under 1 Year
1 Year 29.1 35.6 35.3     100.0 31.6 21.4
2 Years 100.0         100.0 9.1 3.8
3 Years   23.2 36.7 18.5 21.6 100.0 63.9 24.3
Total 42.3 17.8 23.3 7.6 8.9 100.0 36.5 31.0


Table 3.6 Motor And Social Development: "All" Percentile Scores For Female Children
By Child Age And Race/Ethnicity (2008 Weighted Distribution)

  0-19 20-39 40-59 60-79 80-89 Total Mean Std Dev
AGE OF CHILD   100.0       100.0 24.3 0.0
Under 1 Year
1 Year 24.6 57.3 18.1     100.0 27.1 12.0
2 Years 12.8 69.0 18.2     100.0 32.9 12.9
3 Years 6.4   22.6 4.1 66.8 100.0 72.1 23.4
Total 14.4 50.1 17.5 1.1 16.9 100.0 39.8 24.5
RACE OF CHILD AGE OF CHILD 100.0         100.0 17.4 0.0
Hispanic 1 Year
2 Years 28.2   71.8     100.0 33.6 19.0
3 Years     63.5 36.5   100.0 52.2 11.4
Total 28.2   58.0 13.7   100.0 38.2 19.2
Black AGE OF CHILD 51.4   48.6     100.0 32.0 25.1
2 Years
3 Years 29.5   70.5     100.0 35.5 12.6
Total 39.6   60.4     100.0 33.9 19.5
White AGE OF CHILD   100.0       100.0 24.3 0.0
Under 1 Year
1 Year 22.3 59.0 18.7     100.0 27.4 12.1
2 Years   100.0       100.0 32.9 3.0
3 Years         100.0 100.0 87.4 2.3
Total 10.0 61.0 8.4   20.6 100.0 40.7 25.4


Table 3.7 Motor And Social Development: "All" Percentile Scores For Male Children
By Child Age And Race/Ethnicity (2008 Weighted Distribution)

  0-19 20-39 40-59 60-79 80-89 90-99 Total Mean Std Dev
AGE OF CHILD 87.7         12.3 100.0 17.4 30.7
Under 1 Year
1 Year 39.1 30.6 30.3       100.0 24.6 17.9
2 Years 92.5   7.5       100.0 9.2 10.9
3 Years 13.9 25.1 26.3 16.6 2.5 15.5 100.0 49.9 28.8
Total 44.9 17.9 19.9 7.5 1.1 8.7 100.0 32.0 29.7
RACE OF CHILD AGE OF CHILD 100.0           100.0 3.2 0.0
Hispanic 2 Years
3 Years 63.3 21.6   15.1     100.0 22.1 24.0
Total 70.1 17.6   12.3     100.0 18.6 22.9
Black AGE OF CHILD           100.0 100.0 98.0 0.0
Under 1 Year
1 Year 100.0           100.0 14.5 0.0
2 Years     100.0       100.0 45.5 0.0
3 Years   59.5     40.5   100.0 49.4 29.3
Total 33.5 18.6 16.4   12.7 18.8 100.0 46.2 33.3
White AGE OF CHILD 100.0           100.0 6.1 6.1
Under 1 Year
1 Year 29.1 35.6 35.3       100.0 26.3 18.8
2 Years 100.0           100.0 6.7 3.6
3 Years   23.2 36.7 18.5   21.6 100.0 58.4 24.4
Total 42.3 17.8 23.3 7.6   8.9 100.0 32.4 29.3